Disclosed is an azo compound represented by Formula (I)

##STR00001##

in which R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or methyl, and R.sup.3 is hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 9 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).

Disclosed is an azo compound represented by Formula (I), ##STR00001##
in which R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or methyl, and R.sup.3 is hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 4 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).

The invention relates to azo pigment mixtures which contain at least one azo pigment of formula (IIIa) and at least one azo pigment of formula (IIIb) ##STR00001##
where X.sup.1, Y, Z.sup.1 and V in formula (IIIa) and formula (IIIb) are independent of each other and are defined as described, and the azo pigments of formula (IIIa) and formula (IIIb) are different.

The invention relates to the use of pigment mixtures which contain at least one pigment of formulas (la) and (lb), wherein variables X.sup.1, X.sup.2, X.sup.3, X.sup.4, Y.sup.1, Y.sup.2, Z.sup.1 and Z.sup.2 are as ##STR00001##
defined and wherein the pigment mixtures are useful as dyes in printing methods.

The present invention pertains to an aqueous ink containing mixtures of solvent dyes and disperse dyes suitable for printing on hydrophobic textile substrates.

An ink jet textile printing ink composition contains a sulfonic acid group-containing dye having a ligand coordinated to a metal atom, the ligand being represented by Formula (1) below:

##STR00001##

wherein at least one of R.sub.1 and R.sub.3 represents SO.sub.3.sup. or SO.sub.3Y, where Y represents a hydrogen atom, an alkali metal atom, or an alkaline earth metal atom; when not representing SO.sub.3.sup. or SO.sub.3Y, R.sub.1 and R.sub.3 represent a halogen atom or a hydrogen atom; R.sub.2 and R.sub.4 each independently represent a hydrogen atom, a halogen atom, a sulfo group, a nitro group, an aryl group, a sulfonamide group, a carboxy group, an alkyl group of 1 to 4 carbon atoms, SO.sub.2NHR.sub.5, or COOR.sub.5, where R.sub.5 represents a hydrogen atom or an alkyl group; and X represents a metal atom.

The present invention relates to disperse azo dyes of formula

##STR00001##

wherein

R.sub.1 is bromo, nitro, cyano, methyl, methoxy or trifluoromethyl;

R.sub.2 is hydrogen, chloro, bromo or trifluoromethyl;

R.sub.3 is hydrogen, chloro, bromo, methoxy, trifluoromethyl, nitro or cyano; and

R.sub.4 is methyl, ethyl, n-propyl, 2-methoxyethyl, methoxycarbonylmethyl or 2-methoxycarbonylethyl;

with the proviso that R.sub.1 is cyano in case R.sub.2 denotes chloro or bromo,

to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

The present invention is directed to high wet fast brilliant blue disperse dye mixtures comprising dye(s) of formula (I) ##STR00001##
and of formula (II) ##STR00002##
their production and their use for textile dyeing and printing.

The present invention is directed to dye mixtures comprising structures of formula and their production and their use for dyeing textiles and in particular for dyeing aramid fibres.

##STR00001##

The present invention refers to a red-dyeing acid dye mixture comprising a dye of the formula (I) ##STR00001##
and at least one dye of the formula (II) ##STR00002##
a process for its manufacturing and a process for dyeing and printing of natural or synthetic polyamide fiber material in which it used.